ceff6644bb
This patch removes the comments grouping header includes. They were added after running IWYU over the LLDB codebase. However they add little value, are often outdates and burdensome to maintain. llvm-svn: 346626
123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
//===-- BreakpointID.cpp ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <stdio.h>
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#include "lldb/Breakpoint/Breakpoint.h"
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#include "lldb/Breakpoint/BreakpointID.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/Stream.h"
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using namespace lldb;
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using namespace lldb_private;
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BreakpointID::BreakpointID(break_id_t bp_id, break_id_t loc_id)
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: m_break_id(bp_id), m_location_id(loc_id) {}
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BreakpointID::~BreakpointID() = default;
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static llvm::StringRef g_range_specifiers[] = {"-", "to", "To", "TO"};
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// Tells whether or not STR is valid to use between two strings representing
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// breakpoint IDs, to indicate a range of breakpoint IDs. This is broken out
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// into a separate function so that we can easily change or add to the format
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// for specifying ID ranges at a later date.
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bool BreakpointID::IsRangeIdentifier(llvm::StringRef str) {
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for (auto spec : g_range_specifiers) {
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if (spec == str)
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return true;
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}
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return false;
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}
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bool BreakpointID::IsValidIDExpression(llvm::StringRef str) {
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return BreakpointID::ParseCanonicalReference(str).hasValue();
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}
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llvm::ArrayRef<llvm::StringRef> BreakpointID::GetRangeSpecifiers() {
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return llvm::makeArrayRef(g_range_specifiers);
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}
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void BreakpointID::GetDescription(Stream *s, lldb::DescriptionLevel level) {
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if (level == eDescriptionLevelVerbose)
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s->Printf("%p BreakpointID:", static_cast<void *>(this));
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if (m_break_id == LLDB_INVALID_BREAK_ID)
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s->PutCString("<invalid>");
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else if (m_location_id == LLDB_INVALID_BREAK_ID)
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s->Printf("%i", m_break_id);
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else
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s->Printf("%i.%i", m_break_id, m_location_id);
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}
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void BreakpointID::GetCanonicalReference(Stream *s, break_id_t bp_id,
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break_id_t loc_id) {
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if (bp_id == LLDB_INVALID_BREAK_ID)
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s->PutCString("<invalid>");
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else if (loc_id == LLDB_INVALID_BREAK_ID)
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s->Printf("%i", bp_id);
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else
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s->Printf("%i.%i", bp_id, loc_id);
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}
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llvm::Optional<BreakpointID>
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BreakpointID::ParseCanonicalReference(llvm::StringRef input) {
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break_id_t bp_id;
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break_id_t loc_id = LLDB_INVALID_BREAK_ID;
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if (input.empty())
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return llvm::None;
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// If it doesn't start with an integer, it's not valid.
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if (input.consumeInteger(0, bp_id))
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return llvm::None;
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// period is optional, but if it exists, it must be followed by a number.
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if (input.consume_front(".")) {
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if (input.consumeInteger(0, loc_id))
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return llvm::None;
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}
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// And at the end, the entire string must have been consumed.
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if (!input.empty())
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return llvm::None;
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return BreakpointID(bp_id, loc_id);
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}
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bool BreakpointID::StringIsBreakpointName(llvm::StringRef str, Status &error) {
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error.Clear();
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if (str.empty())
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{
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error.SetErrorStringWithFormat("Empty breakpoint names are not allowed");
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return false;
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}
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// First character must be a letter or _
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if (!isalpha(str[0]) && str[0] != '_')
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{
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error.SetErrorStringWithFormat("Breakpoint names must start with a "
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"character or underscore: %s",
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str.str().c_str());
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return false;
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}
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// Cannot contain ., -, or space.
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if (str.find_first_of(".- ") != llvm::StringRef::npos) {
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error.SetErrorStringWithFormat("Breakpoint names cannot contain "
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"'.' or '-': \"%s\"",
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str.str().c_str());
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return false;
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}
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return true;
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}
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